Browsing by Issue Date Instituto de Nutrición y Tecnología de los Alimentos

Now showing items 81-100 of 923

    • Mejorar el manejo de la enfermedad celíaca. Un desafío urgente 
      Araya, Magdalena (2006)
      Anti endomysial and anti transglutaminase (EMA/TTG) antibodies measurements in large population groups, show that celiac disease is significantly more common than previously thought and 0.5-1% of the population suffer ...
    • Inhibition of iron and copper uptake by iron, copper and zinc 
      Arredondo Olguín, Miguel Armando; Martínez, Ronny; Núñez González, Marco; Ruz, Manuel; Olivares Grohnert, Manuel (2006)
      Interactions of micronutrients can affect absorption and bioavailability of other nutrients by a number of mechanisms. In aqueous solutions, and at higher uptake levels, competition between elements with similar chemical ...
    • Understanding copper homeostasis in humans and copper effects on health 
      Araya, Magdalena; Pizarro Aguirre, Fernando; Olivares Grohnert, Manuel; Arredondo Olguín, Miguel; González Canales, Mauricio; Méndez, Marco (2006)
    • Gene expression profiling in wild-type and metallothionein mutant fibroblast cell lines 
      Armendáriz, Angela D.; Olivares, Felipe; Pulgar Tejo, Rodrigo; Loguinov, Alex; Cambiazo Ayala, Liliana; Vulpe, Christopher D.; González Canales, Mauricio (2006)
      The role of metallothioneins (MT) in copper homeostasis is of great interest, as it appears to be partially responsible for the regulation of intracellular copper levels during adaptation to extracellular excess of ...
    • Cop-like operon: Structure and organization in species of the Lactobacillale order 
      Reyes, Angélica; Leiva, Andrea; Cambiazo Ayala, Liliana; Méndez, Marco; González Canales, Mauricio (2006)
      Copper is an essential and toxic trace metal for bacteria and, therefore, must be tightly regulated in the cell. Enterococcus hirae is a broadly studied model for copper homeostasis. The intracellular copper levels in ...
    • Characterization of human intestinal bifidobacteria using competitive PCR and PCR-TTGE 
      Mangin, Irène; Suau, Antonia; Magne, Fabien; Garrido, Daniel; Gotteland, Martín; Neut, Christel; Pochart, Philippe (BLACKWELL, 2006-01)
      In this study, a competitive PCR was developed to estimate the quantity of bifidobacteria in human faecal samples using two 16S rRNA gene Bifidobacterium genus-specific primers, Bif164f and Bif662r. A PCR-temporal temperature ...
    • Boldine and its antioxidant or health-promoting properties 
      O'Brien, Peter; Carrasco Pozo, Catalina; Speisky Cosoy, Hernán (ELSEVIER, 2006-01-05)
      The increasing recognition of the participation of free radical-mediated oxidative events in the initiation and/or progression of cardiovascular, tumoural, inflammatory and neurodegenerative disorders, has given rise to ...
    • HLA non-class II genes may confer type I diabetes susceptibility in a mapuche (Amerindian) affected family 
      Pérez Bravo, Francisco; Martínez Laso, Jorge; Martín-Villa, José M.; Moscoso, Juan; Moreno, Almudena; Serrano Vela, Juan I.; Zamora, Jorge; Asenjo, Silvia; Gleisner, Andrea; Arnaiz Villena, Antonio (ELSEVIER, 2006-02)
      A rare case of type I diabetes is studied in an Amerindian (Mapuche) family from Chile, analyzing glutamic acid decarboxylase, islet-cell autoantibodies and human leukocyte antigen (HLA) genes. The affected sib is the only ...
    • Quantitative reverse transcription polymerase chain reaction analysis of Vibrio cholerae cells entering the ... 
      González Escalona, Narjol; Fey, Axel; Hofle, Manfred G.; Espejo Torres, Romilio; Guzmán, Carlos A. (BLACKWELL, 2006-04)
      We performed a comparative analysis of the Vibrio cholerae strain El Tor 3083 entering the viable but non-culturable (VBNC) state and starvation after incubation in artificial seawater (ASW) at 4 and 15 degrees C respectively. ...
    • Vibrio parahaemolyticus in shellfish and clinical samples during two large epidemics of diarrhoea in southern Chile 
      Fuenzalida, Loreto; Hernández, Cristina; Toro, Jessica; Rioseco, M. Luisa; Romero Ormazábal, Jaime; Espejo Torres, Romilio (BLACKWELL PUBLISHING, 2006-04)
      Large epidemics of diarrhoea associated with seafood consumption and Vibrio parahaemolyticus occurred during the austral summers of 2004 and 2005 in the environs of Puerto Montt, Chile (41 degrees 29'S 72 degrees 24'W). ...
    • A health promotion programme in Adventist and non-Adventist women based on Pender's model: A pilot study 
      Carreño, J.; Vyhmeister, G.; Grau, L.; Ivanovic Marincovich, Daniza (W B SAUNDERS CO LTD, 2006-04)
      Objective: In the last decades, the epidemiological and demographic transition in Chile has resulted in a considerable increase in diet-related noncommunicable chronic diseases. The aim of this study was to determine the ...
    • Breast-feeding and mental and motor development at 5 1/2 years 
      Clark, Katy M.; Castillo, Marcela; Calatroni, Agustín; Walter, Tomas; Cayazzo, Marisol; Pino Zúñiga, Paulina; Lozoff, Betsy (ALLIANCE COMMUNICATIONS GROUP DIVISION ALLEN PRESS, 2006-04)
      Objective: Breast-feeding is associated with better child development outcomes, but uncertainty remains primarily due to the close relationship between breast-feeding and socioeconomic status. This study assesses the issue ...
    • Systematic review: are probiotics useful in controlling gastric colonization by Helicobacter pylori? 
      Gotteland, Martín; Brunser, O.; Cruchet Muñoz, Sylvia (BLACKWELL, 2006-04-15)
      Helicobacter pylori is a highly prevalent pathogen considered as an aetiological factor for gastroduodenal ulcers, and a risk factor for gastric adenocarcinoma and lymphoma in humans. Most subjects colonized by this ...
    • Smaller iron particle size improves bioavailability of hydrogen-reduced iron-fortified bread 
      Arredondo Olguín, Miguel Armando; Salvat, Valentina; Pizarro Aguirre, Fernando; Olivares Grohnert, Manuel (PERGAMON-ELSEVIER SCIENCE LTD, 2006-05)
      Bioavailability results, obtained in humans, of wheat flour fortified with elemental iron might not be reliable because these studies have been performed using tracer iron compounds that probably do not have the same ...
    • Glycaemic index effects on fuel partitioning in humans 
      Díaz, E. O.; Galgani Fuentes, José; Aguirre, Carolina A. (BLACKWELL PUBLISHING, 2006-05)
      The purpose of this review was to examine the role of glycaemic index in fuel partitioning and body composition with emphasis on fat oxidation/storage in humans. This relationship is based on the hypothesis postulating ...
    • Nutrition in brain development and aging: Role of essential fatty acids 
      Uauy Dagach-Imbarack, Ricardo; Dangour, Alan D. (INT LIFE SCIENCES INST NORTH AMERICA, 2006-05)
      The essential fatty acids (EFAs), particularly the n-3 long-chain polyunsaturated fatty acids (LCPs), are important for brain development during both the fetal and postnatal period. They are also increasingly seen to be ...
    • Mild prenatal protein malnutrition increases alpha(2C)-adrenoceptor expression in the rat cerebral cortex ... 
      Sierralta, Walter; Hernández, Alejandro; Valladares Boasi, Luis; Pérez, Hernán; Mondaca, Mauricio; Soto Moyano, Rubén (PERGAMON-ELSEVIER SCIENCE LTD, 2006-05-15)
      Mild reduction in the protein content in the diet of pregnant rats from 25 to 8% casein, calorically compensated by carbohydrates, does not alter body and brain weights of rat pups at birth, but results in significant ...
    • Effect of a nutritional supplementation on bone health in Chilean elderly subjects with femoral osteoporosis 
      Bunout Barnett, Daniel; Barrera Acevedo, María; Leiva Balich, Laura; Gattas, Vivien; Maza Cave, María Pía de la; Haschke, Ferdinand; Steenhout, Philippe; Klassen, Petra; Hager, Corinne; Offord, Elizabeth; Hirsch Birn, Sandra (AMER COLLEGE NUTRITION, 2006-06)
      Objective: To study the effects of a special nutritional supplement on bone mineral density and bone turnover markers in Chilean elderly subjects with femoral osteoporosis. Setting: Public primary health care clinics in ...
    • Smoking specifically induces metallothionein-2 isoform in human placenta at term 
      Ronco Macchiavello, Ana María; Garrido, Fernando; Llanos Silva, Miguel (ELSEVIER, 2006-06-01)
      Recently, we reported the presence of higher levels of metallothionein (MT) in placentas of smokers compared to non-smokers. In the present study, we designed experiments to separate and evaluate two isoforms of NIT (MT-1 ...
    • Soy isoflavones affect platelet thromboxane A(2) receptor density but not plasma lipids in menopausal women 
      Garrido, Argelia; Maza Cave, María Pía de la; Hirsch Birn, Sandra; Valladares Boasi, Luis (ELSEVIER, 2006-06-20)
      Objectives: It has been suggested that isoflavones protect the cardiovascular system, in part by improving lipid profile. The purpose of the present research was to examine the effect of a 12-week soy isoflavone supplementation ...